Toda Seiko has announced a diagonal fisheye lens for Fujifilm X-mount and Sony E-mount cameras. The Toda Seiko 12mm f/7.4 is a manual-focus lens with a fixed aperture, seven-layer muticoating and 4 lens elements in 4 groups. Weighing in at 220g, the lens has a total length of 58.5mm and maximum diameter of 65mm. In Japan, the Toda Seiko 12mm f/7.4 Diagonal Fisheye lens will be available for 24,800 yen.